Abstract
A NC geometric cutting simulator is widely used software that is able to verify a tool path without real machining process by executing the machined shape check and the interference check between a tool and a work piece during machining. However, current NC machining simulator is only considered for the geometric information of an objective shape and a tool. For this reason, it is difficult to represent the tool deflection and wear caused by a physical phenomenon. In this study, to realize further high-precision machining, a predictive direction algorithm for the tool deflection is developed. This paper describes about calculation algorithm of direction of tool deflection from removal volume and the normal vector of contact points.
